Server-side Request Forgery (SSRF) Affecting activitypub_federation package, versions <0.5.10
Threat Intelligence
Exploit Maturity
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
Proof of Concept
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- published11 Feb 2025
- disclosed10 Feb 2025
- creditNatann (nnfrog)
Introduced: 10 Feb 2025
CVE NOT AVAILABLE CWE-918 (opens in a new tab)Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade activitypub_federation to version 0.5.10 or higher.
Overview
Affected versions of this package are vulnerable to Server-side Request Forgery (SSRF) through the verify_url_valid, which allows a user to bypass predefined hardcoded URL paths and security mechanisms designed to prevent Localhost access, enabling arbitrary GET requests to any host, port, and URL via a Webfinger request.